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首页> 外文期刊>Genetics and Plant Physiology >DIALLEL ANALYSIS FOR FIBER QUALITY PROPERTIES OF COTTON (GOSSYPIUM HIRSUTUM L.)
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DIALLEL ANALYSIS FOR FIBER QUALITY PROPERTIES OF COTTON (GOSSYPIUM HIRSUTUM L.)

机译：棉纤维品质的双重分析

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摘要

The increasing demand for fiber quality in world cotton markets has increased the importance of fiber quality traits in cotton breeding programs. In this study, 6 cotton {Gossypium hirsutum L.) genotypes (VD-4, PAUM-15, Cukurova 1518, VD-18, Stoneville 468 and Nazilli 84S) were selected as parents and crossed in all possible combinations according to the half-diallel mating design. Parents and their 15 Fl crosses were planted in a randomized complete block design with three replications at the experimental field of Cukurova University, Cotton Research and Application Center Adana/Turkey during the years 2008 - 2009. The analysis of variance indicated that parents and their 15 F crosses were significantly different for fiber length (FL), fineness (FF) and spinning consistency index (SCI), however, insignificant for fiber strength (FS). General combining ability (GCA) variances were significant for FL, FF and SCI at P < 0.01, but for FS at P<0.05. However, specific combining ability (SCA) variances were insignificant for all tested properties. Components of variance showed that the GCA variance was higher than the SCA variance for all properties. These results demonstrated the predominance of additive gene effects for all observed properties. The parental genotypes VD-18 for FL, PAUM-15 for FS, Nazilli 84S for FF and VD-4 for SCI appeared to be the best general combiners, while crosses Cukurova 1518 x Nazilli 84S for FL and FF, VD-4 x Cukurova 1518 for FS and VD-18 x Stoneville 468 for SCI were found to be the best specific combiner. Therefore, these parents and cross combinations could be used in future studies to improve these characteristics.
机译：在世界棉花市场上，对纤维质量的需求不断增加，已经提高了纤维质量特性在棉花育种计划中的重要性。在这项研究中，选择了6个棉（Gossypium hirsutum L.）基因型（VD-4，PAUM-15，Cukurova 1518，VD-18，Stoneville 468和Nazilli 84S）作为亲本，并根据半拨号匹配设计。在2008年至2009年期间，在库库洛娃大学，棉花研究和应用中心Adana / Turkey的实验田中，将亲本及其15个Fl杂种以随机完整的块状设计进行种植，并进行了三个重复试验。方差分析表明，亲本和其15个亲本对于纤维长度（FL），纤度（FF）和纺丝稠度指数（SCI）而言，F交叉显着不同，但是对纤维强度（FS）而言却无关紧要。 FL，FF和SCI的一般合并能力（GCA）差异在P <0.01时显着，而FS在P <0.05时显着。但是，对于所有测试的特性，特定的结合能力（SCA）差异均不明显。方差成分表明，所有属性的GCA方差均高于SCA方差。这些结果证明了在所有观察到的特性中加性基因效应的优势。亲本基因型为FL的VD-18，FS的PAUM-15，FF的Nazilli 84S和SCI的VD-4似乎是最好的综合组合，而FL和FF的Cukurova 1518 x Nazilli 84S杂交，VD-4 x Cukurova FS的1518和SCI的VD-18 x Stoneville 468被认为是最佳的组合器。因此，这些亲本和杂交组合可用于将来的研究中以改善这些特征。

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